<?php
$id = $_REQUEST['id'];
$con = mysqli_connect("localhost","root","","friday");
mysqli_set_charset($con,"utf8");
$sql = "select * from goods where id='{$id}'";
$result = mysqli_query($con, $sql);
$arr = mysqli_fetch_all($result,MYSQLI_ASSOC);
echo json_encode($arr);
mysqli_close($con);
?>